Arthur Smith: Arthur Smith. Producer: American Ninja Warrior. Before graduating from college, Smith had already amassed an eclectic resume in the entertainment business. He acted in CBC sitcoms, commercials, two feature films, worked as a radio announcer, and produced segments for CBC Radio. Upon graduation from Ryerson University, Arthur, at the age of 22, began work as a CBC Network Sports producer and was immediately assigned to major sporting events around the...